Quiver

2015 Trek Superfly vs 2017 Specialized Epic Hardtail Comp Carbon World Cup

The S is the Specialized Epic Hardtail Comp Carbon World Cup size closest to your 24" kids' Trek Superfly. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Epic Hardtail Comp Carbon World Cup

Compared with the Trek Superfly in 24" kids', the Specialized Epic Hardtail Comp Carbon World Cup in S places the top of the head tube 119 mm higher and 22 mm further forward, relative to the bottom bracket. Its wheelbase is 93 mm longer, which can contribute to stability at speed.

Frame stack
+119 mm
Higher front end
Frame reach
+22 mm
Longer frame reach
Wheelbase
+93 mm
Longer: steadier at speed
Head angle
−0.2°
About the same head angle
Chainstays
n/a
One of the bikes has no number for this

The two frames

We can't draw these frames yet. The Trek Superfly numbers we have for size 24" kids' are missing the seat angle and chainstay length. The numbers below still compare.

Geometry side by side

MeasurementTrek Superfly 24" kids'Specialized Epic Hardtail Comp Carbon World Cup SDifference
Reach373395mm+22 mm
Stack480599mm+119 mm
Head tube angle70.0°69.8°−0.2°
Seat tube anglenot listed74°
Effective top tube529568mm+39 mm
Chainstay lengthnot listed430mm
Wheelbase9801073mm+93 mm
BB drop3861mm+23 mm
BB heightnot listed309mm
Standover606760mm+154 mm
Seat tube length290400mm+110 mm
Head tube length10595mm−10 mm
Fork lengthnot listed496mm

Differences are the Specialized Epic Hardtail Comp Carbon World Cup minus the Trek Superfly. Full charts: 2015 Trek Superfly, 2017 Specialized Epic Hardtail Comp Carbon World Cup.

Where each sits in its class

Trek SuperflySpecialized Epic Hardtail Comp Carbon World Cup

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other XC bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartTrek Superfly16Specialized Epic Hardtail Comp Carbon World CupHardtail Comp Carbon World Cup
FrameTrek Dialednot listed
ChainTrek Clarks C410SRAM PC-1110
Forknot listedRockShox Reba RL
Shifternot listedSRAM NX
Derailleurnot listedSRAM GX
Cassettenot listedSRAM PG-1130
Cranksetnot listedRace Face Aeffect
Tirenot listedSpecialized Fast Trak
Rimnot listedRoval Control 29
Brakenot listedShimano Deore M506
Gripsnot listedSpecialized Sip Grip
Saddlenot listedSpecialized Phenom Comp

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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